telebit.js/bin/stunnel.js

139 lines
4.2 KiB
JavaScript
Executable File

#!/usr/bin/env node
(function () {
'use strict';
var pkg = require('../package.json');
var program = require('commander');
var url = require('url');
var stunnel = require('../wsclient.js');
function collectProxies(val, memo) {
var vals = val.split(/,/g);
vals.map(function (location) {
// http:john.example.com:3000
// http://john.example.com:3000
var parts = location.split(':');
if (!parts[1]) {
parts[1] = parts[0];
parts[0] = 'https';
}
parts[0] = parts[0].toLowerCase();
parts[1] = parts[1].toLowerCase().replace(/(\/\/)?/, '') || '*';
parts[2] = parseInt(parts[2], 10) || 0;
if (!parts[2]) {
// TODO grab OS list of standard ports?
if ('http' === parts[0]) {
parts[2] = 80;
}
else if ('https' === parts[0]) {
parts[2] = 443;
}
else {
throw new Error("port must be specified - ex: tls:*:1337");
}
}
return {
protocol: parts[0]
, hostname: parts[1]
, port: parts[2]
};
}).forEach(function (val) {
memo.push(val);
});
return memo;
}
program
.version(pkg.version)
//.command('jsurl <url>')
.arguments('<url>')
.action(function (url) {
program.url = url;
})
.option('-k --insecure', 'Allow TLS connections to stunneld without valid certs (rejectUnauthorized: false)')
.option('--locals <LINE>', 'comma separated list of <proto>:<//><servername>:<port> to which matching incoming http and https should forward (reverse proxy). Ex: https://john.example.com,tls:*:1337', collectProxies, [ ]) // --reverse-proxies
.option('--stunneld <URL>', 'the domain (or ip address) at which you are running stunneld.js (the proxy)') // --proxy
.option('--secret <STRING>', 'the same secret used by stunneld (used for JWT authentication)')
.option('--token <STRING>', 'a pre-generated token for use with stunneld (instead of generating one with --secret)')
.parse(process.argv)
;
program.stunneld = program.stunneld || 'wss://pokemap.hellabit.com:3000';
var jwt = require('jsonwebtoken');
var domainsMap = {};
var tokenData = {
name: null
, domains: null
};
var location = url.parse(program.stunneld);
if (!location.protocol || /\./.test(location.protocol)) {
program.stunneld = 'wss://' + program.stunneld;
location = url.parse(program.stunneld);
}
program.stunneld = location.protocol + '//' + location.hostname + (location.port ? ':' + location.port : '');
program.locals.forEach(function (proxy) {
domainsMap[proxy.hostname] = true;
});
tokenData.domains = Object.keys(domainsMap);
tokenData.name = tokenData.domains[0];
program.services = {};
program.locals.forEach(function (proxy) {
//program.services = { 'ssh': 22, 'http': 80, 'https': 443 };
program.services[proxy.protocol] = proxy.port;
});
program.token = program.token || jwt.sign(tokenData, program.secret || 'shhhhh');
program.net = {
createConnection: function (info, cb) {
/*
var Dup = {
write: function (chunk, encoding, cb) {
//console.log('_write', chunk.byteLength);
this.__my_socket.write(chunk, encoding);
cb();
}
, read: function (size) {
//console.log('_read');
var x = this.__my_socket.read(size);
if (x) {
console.log('_read', size);
this.push(x);
}
}
};
var myDuplex = new (require('streams').Duplex);
myDuplex._write = Dup.write;
myDuplex._read = Dup.read;
myDuplex.remoteFamily = socket.remoteFamily;
myDuplex.remoteAddress = socket.remoteAddress;
myDuplex.remotePort = socket.remotePort;
myDuplex.localFamily = socket.localFamily;
myDuplex.localAddress = socket.localAddress;
myDuplex.localPort = socket.localPort;
httpsServer.emit('connection', myDuplex);
*/
// data is the hello packet / first chunk
// info = { data, servername, port, host, remoteAddress: { family, address, port } }
var net = require('net');
// socket = { write, push, end, events: [ 'readable', 'data', 'error', 'end' ] };
var socket = net.createConnection({ port: info.port, host: info.host }, cb);
return socket;
}
};
program.locals.forEach(function (proxy) {
console.log('[local proxy]', proxy.protocol + '://' + proxy.hostname + ':' + proxy.port);
});
stunnel.connect(program);
}());